Central Gas Adjustment; 4.10.1 Central Gas Setting - Riello RS 310/E ULX Installation, Use And Maintenance Instructions

4.10

Central gas adjustment

As you can see in Fig. 20 the gas flows through the combustion
head in two different ways:
 external gas flows from the pipes 1) that surrounds the com-
bustion head;
 central gas flows from the tube 2) and then through the
plates 3) behind the flame disc.

4.10.1 Central gas setting

The factory setting for the central gas is with the following passa-
ge holes (Fig. 21).
RS 310/E ULX Central hole + 2 open holes
RS 510/E ULX Central hole + 2 open holes
If necessary, modify as indicated in "Firing rates" on page 9:
 hook the combustion head as indicated in the paragraph
"Access to head internal part" on page 22;
 remove or add one or more screws 1) (Fig. 21) as follows:
RS 310/E ULX Open central hole
RS 510/E ULX Open central hole
 re-assemble the combustion head.
20205048
Installation
24 GB
2
3
20198257
1
1
Fig. 20
20201341
Fig. 21